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Table 2 Postextubation outcomes data

From: Effects of mechanical insufflation-exsufflation in preventing respiratory failure after extubation: a randomized controlled trial

  Group A
(n = 40)
Group B
(MI-E)
(n = 35)
NIV application, n (%)
Reasons for NIV (n)
20 (50%) 14 (40%)
Respiratory rate > 35 beats/min 5 (25%) 9 (64%)
SpO2 < 90% 4 (20%) 1 (7%)
20% variation of HR or BP 1 (5%) -
PaO2 < 60; PaCO2 >45 10 (50%) 4 (29%)
Total period of MV (days) 17.8 ± 6.4a 11.7 ± 3.5a
Patients reintubated (n, %) 19 (48%)a 6 (17%)a
Causes of reintubation (n)   
Respiratory pauses with loss of consciousness - 1
Respiratory distress after 2-h NIV 6 2
Decreasing level of consciousness 2 -
Intolerance to NIV 2 -
Hypotension (systolic BP < 90 mm Hg for > 30 minutes) - 1
Secretion encumbrance associated with severe hypoxemia 9 2
NIV failure rate, n (%) 13 (65%)a 2 (14%)a
Total ICU length of stay 19.3 ± 8.1 16.9 ± 11.1
Postextubation ICU
length of stay
9.8 ± 6.7a 3.1 ± 2.5a
  1. Data are presented as mean ± standard deviation. APS II, New Simplified Acute Physiology Score; COPD, chronic obstructive pulmonary disease; MV, mechanical ventilation; NIV, noninvasive ventilation; NS, nonsignificant. aP < 0.05